Kuitunen, M., and A. Aleknonis. “Nest Predation and Breeding Success in Common Treecreepers Nesting in Boxes and Natural Cavities”. Ornis Fennica 69, no. 1 (March 31, 1992): 7–12. Accessed November 22, 2024. https://ornisfennica.journal.fi/article/view/133334.